. Economics and design of a radio-controlled skyline yarding system. Logging, Skyline. Figure 22 Operating line roller placed to reduce abrasion of the snubbing line. SKYLINE JACKS—The skyline jack is a J- shaped device, suspended from an intermediate support spar or cross support skyline, and allows an open-sided carriage to travel along the sky- line Tig. 23).. Figure 23 Longitudinal cross section of open-side carriage passing a skyline Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
. Economics and design of a radio-controlled skyline yarding system. Logging, Skyline. Figure 22 Operating line roller placed to reduce abrasion of the snubbing line. SKYLINE JACKS—The skyline jack is a J- shaped device, suspended from an intermediate support spar or cross support skyline, and allows an open-sided carriage to travel along the sky- line Tig. 23).. Figure 23 Longitudinal cross section of open-side carriage passing a skyline Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Binkley, Virgil Wayne; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ). Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture
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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber20
